COMP Cams Camshaft CS Nostalgia 30-30H+Fits '58 '02 262 400 c. i. d. Chevy Small BlocksExhaust note of GM 30 30 Cam with increased performanceNostalgia Plus Cams are designed to mimic the sound of the great engines of the past while improving performance by applying today's design Techniques. Capture the essence of the factory muscle cars of the '60s and '70s. These cams use lobe profiles that are slightly less aggressive than Xtreme Energy profiles but have excellent area under the curve